Zero-Max L411C Operating instructions

Brand
Zero-Max
Model
L411C
Type
Operating instructions

This manual is also suitable for


• Hex socket set
• Shaft alignment tools
• Cleaning cloth
• Caliper
The Schmidt Inline Coupling will function properly
if these mounting, maintenance, and lubrication
instructions are followed. Failure to observe these
instructions may result in reduced coupling life.
Note: It is important that the following dimensions
and tolerances are maintained before and during
coupling operation.

Position shafts and hubs according to the following
values:
A: Hub faces to be parallel within:……… 0.025 inch
Speeds above 1000 rpm should be .015 inch or less.
Note: Minimizing angular misalignment will allow the
coupling bearings to achieve their maximum lifetime.
B: Distance between the hub faces:7.623+/-.032 inch
C: Maximum shaft misalignment not to exceed:0.313 inch
Note: The Schmidt Inline Coupling cannot
operate properly at higher misalignment than
listed. For speeds over 1000 rpm, maximum shaft
misalignment should not exceed 0.060 inch.
D: Mount coupling between hubs. After installation
of the coupling, check that the center disc is free
to move laterally a small amount (approximately
0.15"-.025"). Remove handling bolt after coupling
has been xed to the hubs.
E: Tighten hub bolts to the end of the coupling.
F: Tighten setscrews in hub.

The Schmidt Inline Coupling should be lubricated
after the rst 200 hours of operation, and again as
specied by the lubrication schedule below.
Note: Always make certain that the lubrication
ttings are clean before adding lubricant to prevent
the introduction of foreign matter into the bearings.
Use standard Alemite ush-type tting Z-737.
Recommended lubricant: Darina No. 2 (EP) oil
based grease.
Caution: Rotating equipment is potentially
dangerous and should be properly guarded.
It is the responsibility of the machine builder,
user, or operator to follow all applicable safety
codes and provide a suitable guard. Make
sure the machine is “locked out” and cannot
be accidentally started during installation or
maintenance of coupling.

L481C & L411C
Mounting and Lubrication Instructions For
Schmidt Inline Couplings
13200 Sixth Avenue North, Plymouth, MN 55441-5509
Phone 763.546.4300  Fax 763.546.8260   TOLL FREE 1.800.533.1731   www.zero-max.com Rev 1.0
RPM Under 500 500 to 1000 Over 1000
Lube Cycle Every 1000
Hours
Every 500
Hours
Every 200
Hours

13200 Sixth Avenue North, Plymouth, MN 55441-5509
Phone 763.546.4300  Fax 763.546.8260   TOLL FREE 1.800.533.1731   www.zero-max.com Rev 1.0
L481C L411C
Spacer S953400 8 8
Thrust washer S953500 8 8
Flat head screw S457600 8 8
Tinnerman washer S952300 8 8
Needle bearing S501700 8 8
Link assembly (1) S702450 4 4
Short shaft S854600 8 8
Item Description Item Number
(1) Link assembly part number includes two bearings installed in each link
Quantity
Required Per
Coupling
Coupling Model Repair Kit Part No
L481C & L411C S042050

Standard rebuild kits are available for standard Schmidt Inline Couplings. Rebuild kits consist of links with
needle bearings, spacers, thrust washers, and retaining rings.
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Zero-Max L411C Operating instructions

Brand
Zero-Max
Model
L411C
Type
Operating instructions
This manual is also suitable for
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